Invoke deep sequential thinking for complex problem-solving. Use when the user says 'use ultrathink', 'ultrathink', or when tackling problems that require careful step-by-step reasoning, planning, hypothesis generation, or multi-step analysis.
How to install ultrathink?
dashed/claude-marketplace/ultrathink
$npx -y skills add dashed/claude-marketplace --skill ultrathinkInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/dashed/claude-marketplace" --skill "dashed/claude-marketplace/ultrathink"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/dashed/claude-marketplace" that are relevant to the current task. Run `npx skills add "https://github.com/dashed/claude-marketplace"` and select the relevant skills, then follow their instructions.
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